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Keywords: critical frequency
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Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-504
... evolution of load between stress-strain curves when applying different loading rates. The material investigated is outcrop chalk from Stevns, Southern part of Denmark, with a porosity of 43 to 44% and subjected to varying loading rates. The Biot critical frequency is a function of the fluid properties...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-453
... underlying physical properties which might explain the water weakening. 1.1. Background The Biot critical frequency, fc, is defined as l , (1) where is porosity, is absolute viscosity of the pore fluid, fl is fluid density, and k is absolute permeability. Biot s critical frequency defines the...

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